code: def export_reflection_edge_and_wrap_pad() -> None:
      for mode in ("edge", "reflect", "wrap"):
          node = onnx.helper.make_node(
              "Pad", inputs=["x", "pads"], outputs=["y"], mode=mode
          )
          x = np.random.randn(1, 3, 4, 5).astype(np.int32)
          pads = np.array([0, 0, 1, 1, 0, 0, 1, 1]).astype(
              np.int64
          )  # pad order [x1_begin, x2_begin, ..., x1_end, x2_end, ...]
          y = pad_impl(x, pads, mode)
  
          expect(
              node,
              inputs=[x, pads],
              outputs=[y],
              name=f"test_{mode}_pad",
          )
  
file_path: onnx/onnx/backend/test/case/node/pad.py
imports: import numpy
  import onnx
  from onnx.backend.test.case.base import Base
  from onnx.backend.test.case.node import expect
label_desc: Use image node_id 2 for calling the Pad obj's underlying member method code with example usage: obj.export_reflection_edge_and_wrap_pad() without return types